Audio and video file formats for transcription: one reference table
6 min Which audio and video formats a browser can transcribe, what each carries inside, what is discarded before the speech model hears it, and when converting is worth it.
mp4.
2 articles tagged mp4.
How to get a transcript from an MP4: transcribe MP4 to text in the browser
8 min Transcribe MP4 to text without uploading it. Only the audio track is read, so a 4 GB video is not 4 GB of work, and MOV files go through the same path.